# Posts by help

Total # Posts: 1,445

**science**

what is the similarities and difference between an igneous rock and a metamorphic rock? please help and thank you =)

*September 19, 2009*

**Pre-Algebra**

What is the equations for numbers 4-14???? HELP fast PLEASE

*September 15, 2009*

**math**

I don't know

*September 14, 2009*

**algebra**

Can someone teach me the steps in finding these like terms I am not sure I am doing it right? 19c + 5d - 10c -8d I come up with 19c -10c =9c + 5d - 8d = 3d so: 9c - 3d do I finally got this?

*September 11, 2009*

**algebra**

find the indicated outputs for f(x = 3x^2 -5x f(0)= f(-1)= f (2)=

*September 10, 2009*

**algebra**

find the domain of the function g(x) = 2/8-3x I think answer is {x|x=0} but not sure

*September 10, 2009*

**algebra**

Soybean meal is 18% protein: cornmeal is 9% how many pounds of each should be mixed together in order to ge a 360 pound mixutre that is 13% protein: I get 200 cornmeal 160 soybean meal I think I put this backwards.

*September 10, 2009*

**algebra**

No I had the same answer I just forget to turn my sign around. Thank you

*September 10, 2009*

**algebra**

solve: -0.6x<-12

*September 10, 2009*

**algebra**

collect like terms: 19c + 5d -10c -8d it dosent come out right I get 9c + 13d

*September 10, 2009*

**algebra**

find the domain of the function P(x) =x^2 - 2x + 3 I don't get at all

*September 10, 2009*

**algebra**

Find the slpe if it exist of the line containing the pair of points: (2,3) and (9,-4) I get -7/7 but do I need to change this to -1 and why?

*September 10, 2009*

**algebra**

Determine whether (-4,5) is a solution of 4x + 8y =1 I would like the steps so I can practice this.

*September 10, 2009*

**algebra**

Use the distributive property to help solve the equation: 3(w-3)=-6 W= ??? I have 3w - 3*3 = -6 then I am lost, could someone explain the steps.

*September 10, 2009*

**math**

the freshman class ranges in height from 4'8"-6'. Write a compound inequality for the height of a freshman "f". Then write it as an absolut value inequality.

*September 10, 2009*

**11th grade math**

Suppose you earn $7.21 per hour and plan to work "h" hours per week. write an expression using variables that models the amount of money you will earn each week. Then, suppose you earn $10 in tips per week, regardless of the hours you work. How does this change the ...

*September 9, 2009*

**algebra 2**

An accountant is working on projections for his next assignment and finds that the cost to the company, C, can be expressed as |C-20,000|<4,000. a) solve for the projected cost by writing a compund inequality; then write it as an absolute value inequality.

*September 9, 2009*

**PSYCHOLOGY**

Can you think of situations when the egoistic model of altruism seems most likely correct? What about the empathy altruism hypothesis?

*August 24, 2009*

**phycology**

Explain how biological influences play a role in BPD?

*August 23, 2009*

**phycology**

Explain how biological influences play a role?

*August 23, 2009*

**phycology**

What are the benefits and risks of using diagnostic labels to describe maladaptive behavior?

*August 22, 2009*

**english**

Thank you, I can tell which sentence is written correctly, but trying to figure out the pronoun reason is a little confusing to me. I will research some more.

*August 19, 2009*

**english**

I need help figuring out how to phrase the reasons I picked the answers to the following sentences. I have the answer just can not figure out the best way to say why they are correct. Please help. Class is COM 150 week 9. A)My brother knows more about technology than me. b)My ...

*August 19, 2009*

**MATH Prob.**

Look into the text book and search for pobability in box array. create one and then give the answers

*August 6, 2009*

**English**

The following sentence indicates what kind of bias? Most of the democracies exhibited lethargy and shortsightedness in the face of fascist aggression. a)a postive bias b)There is no bias. c)a negative bias d)an aggressive bias

*August 5, 2009*

**English**

The following sentence indicates what kind of bias: The best art can cut through our tendency to experience life with complacency and prejudgment? a)There is no bias. b)a positive bias c)a partly positive and partly negative bias d)a negative bias

*August 5, 2009*

**MATH**

SO MY ANSWER WAS WRONG SO IT SHOULD BE 6>-9 RIGHT

*July 20, 2009*

**MATH**

USE < OR > TO MAKE THE STATEMENT TRUE 6 __ -9 DO I HAVE IT RIGHT 6 < -9

*July 20, 2009*

**chemistry- some help plzz totally lost on this one**

what answer did you get??

*July 13, 2009*

**Econmics**

Hi, Please I researched so badly, I need help to find information about Cybernomics issues and solutions. Please can you help me. Thank You.

*June 9, 2009*

**history**

i need facts about world war 1 !!!

*May 26, 2009*

**math**

thanks count

*May 21, 2009*

**math**

find the geometric mean of 6 and 24.

*May 21, 2009*

**math**

how many midsegments does a triangle have?

*May 20, 2009*

**math**

a median of a triangle connects what points of the triangle?

*May 20, 2009*

**math**

the circumcenter of a triangle is equidistant from the three blank of the triangle? i have to find the blank work

*May 20, 2009*

**math**

thank you

*May 20, 2009*

**math**

the angle bisectors of a triangle are concurrent at a point called the?

*May 20, 2009*

**math geometry**

thnx

*May 20, 2009*

**math subsets**

List all the subsets of {2, o, t}.

*May 17, 2009*

**math**

List all the subsets of {2, o, t}.

*May 17, 2009*

**math**

List all the subsets of {2, o, t}.

*May 17, 2009*

**math**

What am I suppose to do here does anybody know? Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element.

*May 12, 2009*

**chemistry**

Thank you

*April 19, 2009*

**chemistry**

That is 25 degree celsius

*April 19, 2009*

**chemistry**

A voltaic cell employs the following redox reaction: Sn^2+(aq)+ Mn(s)--> Sn(s) + Mn^2+(aq) Calculate the cell potential at 25 under each of the following conditions. a.)[Sn]= 1.51E-2 M [Mn]= 2.52M b.)[Sn]= 2.52 [Mn]= 1.51E-2 M

*April 19, 2009*

**physics**

A gold wire 5.90m long and of diameter 0.890 mm carries a current of 1.21A. A)Find the resistance of this wire. B)Find the potential difference between its ends. Can someone please help me I don't know how to answer these questions? R=p(L/A) 1.21(5.90m/.890mm) Am i setting...

*April 12, 2009*

**art**

What are the main differences or similarities? of the book the tell tail hart, the painting the last journey, and the play Romeo and Juliet.

*April 8, 2009*

**art**

How is art used to form public opinion in society?

*April 7, 2009*

**10th grade**

radiocarbon dating? can someone please explain?

*March 18, 2009*

**9th Grade Math**

For my hw i have to graph the following equations 1) x - 3y -5 = 0 and 2x = 1 - 3y 2) y - 3x =5 and 3x = 7 + y 3) x = 3y and x +2 = 11 4) y = 2/5x + 1 and x + 2y +11 After done graphing the equations i have to state if there are zero, one, or many solutions. I have already ...

*March 16, 2009*

**math**

on may 12, Scott accepted an $8000, 12%, 90 day note for a time extension of a bill for goods bought by ron. On june 12, scott discounted the note at able bank at 10% What proceeds does scott receive

*March 15, 2009*

**math**

on may 12, Scott accepted an $8000, 12%, 90 day note for a time extension of a bill for goods bought by ron. On june 12, scott discounted the note at able bank at 10% What proceeds does scott receive

*March 15, 2009*

**math**

Ron bought goods from shelly katz. On may 8, shelly gave ron a time extension on his bill by accepting a $3000, 8%, 180 day note. On august 16, shelly discounted the note at Roseville bank at 9% what proceeds does shelly rerceive?

*March 15, 2009*

**finance**

Ron bought goods from shelly katz. On may 8, shelly gave ron a time extension on his bill by accepting a $3000, 8%, 180 day note. On august 16, shelly discounted the note at Roseville bank at 9% what proceeds does shelly rerceive?

*March 15, 2009*

**math**

what the hell kind of answer is that

*March 15, 2009*

**math**

i get it now

*March 6, 2009*

**math**

what do u mean add the straight edge im still a bit confused

*March 6, 2009*

**math**

how can i find the perimeter of a semi circular flower bed of diameter 20m?

*March 6, 2009*

**Science**

Which group of words names the three states of metter you can observe? 1 ice water air 2 juice water milk 3 solid liquid gas 4 hard soft light

*February 18, 2009*

**lang**

it looks great and im sorry for your loss

*February 5, 2009*

**math**

the price of a brick today is 49 cents. this is 3 cents less than 4 times the price 20 years ago. what was the price 20 years ago?

*February 5, 2009*

**english**

I'm not asking for anyone to DO my homework for me - I was asking for help to unscramble letters. NO THANK YOU!!

*January 17, 2009*

**english**

unscramble these letters please OXENTS

*January 17, 2009*

**science**

which of these is always equal to the number of protons in an atom

*January 7, 2009*

**7th grade**

okay thanks. i really am thankfull for ur help

*January 5, 2009*

**7th grade**

this is hw. my teacher is making it 150 words. i already have beacause the title might sound intresting

*January 5, 2009*

**7th grade**

why would some one want to read your paper.

*January 5, 2009*

**physics**

the coefficient of kinetic friction between the block and inclined plane is 0.28 and angle è = 65°. What is the block's acceleration (magnitude and direction) assuming the following conditions? (a) It is sliding down the slope. m/s2 (b) It has been given an ...

*December 16, 2008*

**physics**

The floor of a railroad flatcar is loaded with loose crates having a coefficient of static friction of 0.20 with the floor. If the train is initially moving at a speed of 47 km/h, in how short a distance can the train be stopped at constant acceleration without causing the ...

*December 16, 2008*

**physics**

A train moving at a constant speed of 68.0 km/h moves east for 33.0 min, then in a direction 40.0° east of due north for 30.0 min, and then west for 59.0 min. What is the average velocity of the train during this run? Magnitude km/h

*December 16, 2008*

**physics**

A rotating fan completes 1200 revolutions every minute. Consider a point on the tip of a blade, at a radius of 0.11 m. (a) Through what distance does the point move in one revolution? m (b) What is the speed of the point? m/s (c) What is the magnitude of its acceleration? m/s2...

*December 15, 2008*

**physics**

A concrete block of mass 244 kg hangs from the end of the uniform strut of mass 45.0 kg. Angle ϕ = 30.0° and è = 45.0°. (a) Find the tension T in the cable. N (b) Find the horizontal component of the force on the strut from the hinge. N (right) (c) Find the...

*December 15, 2008*

**physics**

cool

*December 15, 2008*

**physics**

a slide loving pig slides down a certain 44° slide in twice the time it would take to slide down a frictionless 44° slide. What is the coefficient of kinetic friction between the pig and the slide?

*December 15, 2008*

**physics**

At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 2.3 m/s2. At the same instant a truck, traveling with a constant speed of 9.4 m/s, overtakes and passes the automobile. (a) How far beyond the traffic signal will the ...

*December 15, 2008*

**physics**

A concrete block of mass 244 kg hangs from the end of the uniform strut of mass 45.0 kg. Angle ϕ = 30.0° and è = 45.0°. (a) Find the tension T in the cable. N (b) Find the horizontal component of the force on the strut from the hinge. N (right) (c) Find the...

*December 15, 2008*

**physics**

a 51.0 kg uniform square sign, of edge L = 2.00 m, is hung from a horizontal rod of length dh = 3.00 m and negligible mass. A cable is attached to the end of the rod and to a point on the wall at distance dv = 4.00 m above the point where the rod is hinged to the wall.

*December 15, 2008*

**physics**

A circular-motion addict of mass 70 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.5 m/s. (a) What is the period of the motion? s (b) What is the magnitude of the normal force on the addict from the seat when both go through the ...

*December 14, 2008*

**physics**

The block in the figure below lies on a horizontal frictionless surface and is attached to the free end of the spring, with a spring constant of 65 N/m. Initially, the spring is at its relaxed length and the block is stationary at position x = 0. Then an applied force with a ...

*December 14, 2008*

**physics**

The position of a particle moving along an x axis is given by x = 15t2 - 2.0t3, where x is in meters and t is in seconds. (a) Determine the position, velocity, and acceleration of the particle at t = 3.0 s. x = m v = m/s a = m/s2 (b) What is the maximum positive coordinate ...

*December 14, 2008*

**Philosophy**

Can someone explain to me Nietzsche's doctroine of the "will to power"

*December 10, 2008*

**Science**

Thank you....I did mean organelle.

*December 7, 2008*

**math**

2 /r + 8/r- 2 =

*December 5, 2008*

**math set 4**

dave and anita each earned the same amount of money selling newspapers but each worked different number of days. dave worked for 8 days.he earned 15$ less per day then anita did. anita worked for 4 days. how much did each earn altogether? how much money did each earn per day? ...

*November 13, 2008*

**calc**

Ok, first you integrate the problem so it equals 19x + x^2 - 5x^4 Next I'll write this out then show you. You then plug in x = 3 to this equation and then plug in x = 1 Subtract the equation of x = 1 from the equation x = 3. (19(3) - (3)^2 - 5(3)^4) - (19(1) - (1)^2 - 5(1...

*November 10, 2008*

**Chemistry**

Why doesn't it enter the reaction?

*November 10, 2008*

**Chemistry**

What is the products for HCl + Na2S04 + BaCl2?

*November 10, 2008*

**calculus**

y' = 60(3x + 1)^19 y' = 60(3(0) + 1)^19 y' = 60(1)=60 Then use point-slope form y - y1 = 60(x - x1) y - 1 = 60(x - 0) y - 1 = 60x y = 60x + 1

*November 10, 2008*

**english**

what are the analytical writing traits??

*October 1, 2008*

**math**

the calories in a breakfast sandwich come from three sources: 144 calories are from carbohydrates 108 calories are from fat and 56 calories are from protein use properties of addition to find the total number of calories in the sandwich

*September 30, 2008*

**physics**

Thank you

*September 28, 2008*

**physics**

A 68.5kg skater moving initially at 2.40m/s on rough horizontal ice comes to rest uniformly in 3.52s due to friction from the ice. I need help finding the force friction exert on the skater.

*September 28, 2008*

**finance**

1. Baldwin Products Company anticipates reaching a sales level of $6 million in one year. The company expects net income during the next year to equal $400,000. Over the past several years, the company has been paying $50,000 in dividends to its stockholders. The company ...

*August 25, 2008*

**law**

How does Calif trespass to computer services differ from trespass to personal property in differenct states?

*August 2, 2008*

**Project Mgmt**

How to write a proposal !!!!

*July 28, 2008*

**Math(discount)**

A woman saved $225 on the new sofa which was on sale for 30% off. What was the original price of the sofa?

*July 24, 2008*

**psy/300**

need help identifying the major schools of psychology and their major underlying assumptions. also what are the biological foundations of psychology

*June 29, 2008*

**math**

when u say (8/5)B= 1600+40, do u mean (5/8)? im only in sixth grade n m confused

*May 31, 2008*

**math**

Bell and Eva are sharing 1600 ml of maple syrup. Eva receives 3/5 of the amount received by Bell minus 40 ml. How many milliliters of maple syrup do each of them receive? Bell: ( 1600 + ___)* ___/___= ____ Eva : ( 1600 + ___)* ___/___-40= _____ wat do i fill in the blanks with?

*May 31, 2008*